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Diffstat (limited to 'lib/smarty/plugins/modifier.truncate.php')
| -rw-r--r-- | lib/smarty/plugins/modifier.truncate.php | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/lib/smarty/plugins/modifier.truncate.php b/lib/smarty/plugins/modifier.truncate.php new file mode 100644 index 0000000..9a803ec --- /dev/null +++ b/lib/smarty/plugins/modifier.truncate.php @@ -0,0 +1,59 @@ +<?php +/** + * Smarty plugin + * + * @package Smarty + * @subpackage PluginsModifier + */ + +/** + * Smarty truncate modifier plugin + * + * Type: modifier<br> + * Name: truncate<br> + * Purpose: Truncate a string to a certain length if necessary, + * optionally splitting in the middle of a word, and + * appending the $etc string or inserting $etc into the middle. + * + * @link http://smarty.php.net/manual/en/language.modifier.truncate.php truncate (Smarty online manual) + * @author Monte Ohrt <monte at ohrt dot com> + * @param string $string input string + * @param integer $length length of truncated text + * @param string $etc end string + * @param boolean $break_words truncate at word boundary + * @param boolean $middle truncate in the middle of text + * @return string truncated string + */ +function smarty_modifier_truncate($string, $length = 80, $etc = '...', $break_words = false, $middle = false) { + if ($length == 0) + return ''; + + if (Smarty::$_MBSTRING) { + if (mb_strlen($string, Smarty::$_CHARSET) > $length) { + $length -= min($length, mb_strlen($etc, Smarty::$_CHARSET)); + if (!$break_words && !$middle) { + $string = preg_replace('/\s+?(\S+)?$/' . Smarty::$_UTF8_MODIFIER, '', mb_substr($string, 0, $length + 1, Smarty::$_CHARSET)); + } + if (!$middle) { + return mb_substr($string, 0, $length, Smarty::$_CHARSET) . $etc; + } + return mb_substr($string, 0, $length / 2, Smarty::$_CHARSET) . $etc . mb_substr($string, - $length / 2, $length, Smarty::$_CHARSET); + } + return $string; + } + + // no MBString fallback + if (isset($string[$length])) { + $length -= min($length, strlen($etc)); + if (!$break_words && !$middle) { + $string = preg_replace('/\s+?(\S+)?$/', '', substr($string, 0, $length + 1)); + } + if (!$middle) { + return substr($string, 0, $length) . $etc; + } + return substr($string, 0, $length / 2) . $etc . substr($string, - $length / 2); + } + return $string; +} + +?>
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